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<?php
namespace Stripe;
use Stripe\HttpClient\CurlClient;
class CurlClientTest extends TestCase
{
/**
* @before
*/
public function saveOriginalNetworkValues()
{
$this->origMaxNetworkRetries = Stripe::getMaxNetworkRetries();
$this->origMaxNetworkRetryDelay = Stripe::getMaxNetworkRetryDelay();
$this->origInitialNetworkRetryDelay = Stripe::getInitialNetworkRetryDelay();
}
/**
* @before
*/
public function setUpReflectors()
{
$stripeReflector = new \ReflectionClass('\Stripe\Stripe');
$this->maxNetworkRetryDelayProperty = $stripeReflector->getProperty('maxNetworkRetryDelay');
$this->maxNetworkRetryDelayProperty->setAccessible(true);
$this->initialNetworkRetryDelayProperty = $stripeReflector->getProperty('initialNetworkRetryDelay');
$this->initialNetworkRetryDelayProperty->setAccessible(true);
$curlClientReflector = new \ReflectionClass('Stripe\HttpClient\CurlClient');
$this->shouldRetryMethod = $curlClientReflector->getMethod('shouldRetry');
$this->shouldRetryMethod->setAccessible(true);
$this->sleepTimeMethod = $curlClientReflector->getMethod('sleepTime');
$this->sleepTimeMethod->setAccessible(true);
}
/**
* @after
*/
public function restoreOriginalNetworkValues()
{
Stripe::setMaxNetworkRetries($this->origMaxNetworkRetries);
$this->setMaxNetworkRetryDelay($this->origMaxNetworkRetryDelay);
$this->setInitialNetworkRetryDelay($this->origInitialNetworkRetryDelay);
}
private function setMaxNetworkRetryDelay($maxNetworkRetryDelay)
{
$this->maxNetworkRetryDelayProperty->setValue(null, $maxNetworkRetryDelay);
}
private function setInitialNetworkRetryDelay($initialNetworkRetryDelay)
{
$this->initialNetworkRetryDelayProperty->setValue(null, $initialNetworkRetryDelay);
}
private function createFakeRandomGenerator($returnValue = 1.0)
{
$fakeRandomGenerator = $this->getMock('Stripe\Util\RandomGenetator', ['randFloat']);
$fakeRandomGenerator->method('randFloat')->willReturn($returnValue);
return $fakeRandomGenerator;
}
public function testTimeout()
{
$curl = new CurlClient();
$this->assertSame(CurlClient::DEFAULT_TIMEOUT, $curl->getTimeout());
$this->assertSame(CurlClient::DEFAULT_CONNECT_TIMEOUT, $curl->getConnectTimeout());
// implicitly tests whether we're returning the CurlClient instance
$curl = $curl->setConnectTimeout(1)->setTimeout(10);
$this->assertSame(1, $curl->getConnectTimeout());
$this->assertSame(10, $curl->getTimeout());
$curl->setTimeout(-1);
$curl->setConnectTimeout(-999);
$this->assertSame(0, $curl->getTimeout());
$this->assertSame(0, $curl->getConnectTimeout());
}
public function testUserAgentInfo()
{
$curl = new CurlClient();
$uaInfo = $curl->getUserAgentInfo();
$this->assertNotNull($uaInfo);
$this->assertNotNull($uaInfo['httplib']);
$this->assertNotNull($uaInfo['ssllib']);
}
public function testDefaultOptions()
{
// make sure options array loads/saves properly
$optionsArray = [CURLOPT_PROXY => 'localhost:80'];
$withOptionsArray = new CurlClient($optionsArray);
$this->assertSame($withOptionsArray->getDefaultOptions(), $optionsArray);
// make sure closure-based options work properly, including argument passing
$ref = null;
$withClosure = new CurlClient(function ($method, $absUrl, $headers, $params, $hasFile) use (&$ref) {
$ref = func_get_args();
return [];
});
$withClosure->request('get', 'https://httpbin.org/status/200', [], [], false);
$this->assertSame($ref, ['get', 'https://httpbin.org/status/200', [], [], false]);
// this is the last test case that will run, since it'll throw an exception at the end
$withBadClosure = new CurlClient(function () {
return 'thisShouldNotWork';
});
$this->setExpectedException('Stripe\Error\Api', "Non-array value returned by defaultOptions CurlClient callback");
$withBadClosure->request('get', 'https://httpbin.org/status/200', [], [], false);
}
public function testSslOption()
{
// make sure options array loads/saves properly
$optionsArray = [CURLOPT_SSLVERSION => CURL_SSLVERSION_TLSv1];
$withOptionsArray = new CurlClient($optionsArray);
$this->assertSame($withOptionsArray->getDefaultOptions(), $optionsArray);
}
public function testShouldRetryOnTimeout()
{
Stripe::setMaxNetworkRetries(2);
$curlClient = new CurlClient();
$this->assertTrue($this->shouldRetryMethod->invoke($curlClient, CURLE_OPERATION_TIMEOUTED, 0, 0));
}
public function testShouldRetryOnConnectionFailure()
{
Stripe::setMaxNetworkRetries(2);
$curlClient = new CurlClient();
$this->assertTrue($this->shouldRetryMethod->invoke($curlClient, CURLE_COULDNT_CONNECT, 0, 0));
}
public function testShouldRetryOnConflict()
{
Stripe::setMaxNetworkRetries(2);
$curlClient = new CurlClient();
$this->assertTrue($this->shouldRetryMethod->invoke($curlClient, 0, 409, 0));
}
public function testShouldNotRetryAtMaximumCount()
{
Stripe::setMaxNetworkRetries(2);
$curlClient = new CurlClient();
$this->assertFalse($this->shouldRetryMethod->invoke($curlClient, 0, 0, Stripe::getMaxNetworkRetries()));
}
public function testShouldNotRetryOnCertValidationError()
{
Stripe::setMaxNetworkRetries(2);
$curlClient = new CurlClient();
$this->assertFalse($this->shouldRetryMethod->invoke($curlClient, CURLE_SSL_PEER_CERTIFICATE, -1, 0));
}
public function testSleepTimeShouldGrowExponentially()
{
$this->setMaxNetworkRetryDelay(999);
$curlClient = new CurlClient(null, $this->createFakeRandomGenerator());
$this->assertEquals(
Stripe::getInitialNetworkRetryDelay() * 1,
$this->sleepTimeMethod->invoke($curlClient, 1)
);
$this->assertEquals(
Stripe::getInitialNetworkRetryDelay() * 2,
$this->sleepTimeMethod->invoke($curlClient, 2)
);
$this->assertEquals(
Stripe::getInitialNetworkRetryDelay() * 4,
$this->sleepTimeMethod->invoke($curlClient, 3)
);
$this->assertEquals(
Stripe::getInitialNetworkRetryDelay() * 8,
$this->sleepTimeMethod->invoke($curlClient, 4)
);
}
public function testSleepTimeShouldEnforceMaxNetworkRetryDelay()
{
$this->setInitialNetworkRetryDelay(1);
$this->setMaxNetworkRetryDelay(2);
$curlClient = new CurlClient(null, $this->createFakeRandomGenerator());
$this->assertEquals(1, $this->sleepTimeMethod->invoke($curlClient, 1));
$this->assertEquals(2, $this->sleepTimeMethod->invoke($curlClient, 2));
$this->assertEquals(2, $this->sleepTimeMethod->invoke($curlClient, 3));
$this->assertEquals(2, $this->sleepTimeMethod->invoke($curlClient, 4));
}
public function testSleepTimeShouldAddSomeRandomness()
{
$randomValue = 0.8;
$this->setInitialNetworkRetryDelay(1);
$this->setMaxNetworkRetryDelay(8);
$curlClient = new CurlClient(null, $this->createFakeRandomGenerator($randomValue));
$baseValue = Stripe::getInitialNetworkRetryDelay() * (0.5 * (1 + $randomValue));
// the initial value cannot be smaller than the base,
// so the randomness is ignored
$this->assertEquals(Stripe::getInitialNetworkRetryDelay(), $this->sleepTimeMethod->invoke($curlClient, 1));
// after the first one, the randomness is applied
$this->assertEquals($baseValue * 2, $this->sleepTimeMethod->invoke($curlClient, 2));
$this->assertEquals($baseValue * 4, $this->sleepTimeMethod->invoke($curlClient, 3));
$this->assertEquals($baseValue * 8, $this->sleepTimeMethod->invoke($curlClient, 4));
}
public function testResponseHeadersCaseInsensitive()
{
$charge = Charge::all();
$headers = $charge->getLastResponse()->headers;
$this->assertNotNull($headers['request-id']);
$this->assertEquals($headers['request-id'], $headers['Request-Id']);
}
}
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